121210021001002 has 16 divisors (see below), whose sum is σ = 182125698711552. Its totient is φ = 60501485274160.

The previous prime is 121210021000921. The next prime is 121210021001011. The reversal of 121210021001002 is 200100120012121.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 324852 + ... + 15573232.

It is an arithmetic number, because the mean of its divisors is an integer number (11382856169472).

Almost surely, 2^{121210021001002} is an apocalyptic number.

121210021001002 is a deficient number, since it is larger than the sum of its proper divisors (60915677710550).

121210021001002 is a wasteful number, since it uses less digits than its factorization.

121210021001002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15255173.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 121210021001002 its reverse (200100120012121), we get a palindrome (321310141013123).

The spelling of 121210021001002 in words is "one hundred twenty-one trillion, two hundred ten billion, twenty-one million, one thousand, two".